A brief review of chloroplast structure is useful before discussing these experiments.在讨论这些试验以前,对叶绿体结构作一简短的概述是有益的.Chloroplast ribosomes contain about 50 distinct ribosomal proteins, distributed between the two subunits.叶...
...the threat of invasion by a ruthless and implacable enemy...残暴无情的敌人发出的侵略威胁The move has won the implacable opposition of many economists.该提案遭到了许多经济学家的坚决反对。His hatred is implacable.他的仇恨难于平息.Young and old saw in him an i...
There he stood: hair in wild tangles, dark stubble shadowing his chin.他站在那儿，头发乱成一团，下巴上一片黑胡茬。I noticed a police car shadowing us.我注意到一辆警车尾随着我们。Why does it take so long when it's not even shadowing or bugging?为什么他总是阴魂...
The competitors cantered into the arena to conclude the closing ceremony.选手们慢跑进入竞技场，为闭幕式画上了句号。They appeared on an edition of BBC2's Arena.他们在英国广播公司二台《竞技场》的一期节目中亮相。The arena was scarred by deep muddy ruts.赛场上留下了深深的车辙...